S-92820A430 M8 x 25 mm High-Strength Metric Steel Serrated-Flange Hex Head Screws
High-Strength Metric Steel Serrated-Flange Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with black-oxide steel coating for extended service life in harsh industrial environments
- Exceptional mechanical strength with 130,000 psi tensile strength and Rockwell C27 hardness for heavy-duty applications
- Precise thread engagement with Class 6g fit ensuring reliable fastening and vibration resistance
- Enhanced load distribution through integrated flange design reducing surface pressure and material stress
- Quick installation with standard external hex drive and coarse 1.25mm pitch threads for efficient assembly
- Full threading capability providing maximum grip length and uniform clamping force
- Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these M8 hex head screws combine black-oxide steel construction with precision metric coarse threading to deliver reliable performance in machinery assembly, equipment manufacturing, and structural frameworks. The flanged design eliminates the need for separate washers while providing superior load distribution, preventing surface damage and maintaining joint integrity under dynamic loads. With fully threaded M8x1.25mm configuration and Class 6g thread fit, these screws ensure consistent clamping force and vibration resistance in automotive, construction, and heavy equipment applications where 130,000 psi tensile strength and corrosion protection are critical for long-term reliability.
Specification Summary & Compliance
This metric hex head screw features M8x1.25mm coarse threading with Class 6g thread fit per ISO metric standards, 25mm length, and 18.2mm flange diameter. Manufactured from high-strength steel with black-oxide surface treatment, the fastener meets Rockwell C27 hardness specifications and delivers 130,000 psi tensile strength. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for international industrial markets and restricted substance requirements.
